Japan Uni-ball Signo RT1 Gel Pen - 0.38mm Blue Black

Available for Order Ships within 1 - 2 weeks

$3.49

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- Ultra-smooth writing achieved by reducing friction between the pen tip and paper
- Edgeless stainless-steel tip for smoother strokes and improved durability
- Spring-tip mechanism helps prevent ink backflow
- Newly formulated ink offers enhanced smoothness while keeping lines crisp, vivid, and bleed-resistant
- Uses water-based pigment ink with excellent water and light resistance
- Seamless one-motion design with an invisible joint between the grip and barrel
- Sleek, simple shape with a full rubber front grip for comfortable handling
- Available in 0.28 mm, 0.38 mm, and 0.5 mm tip sizes

Brand
Uni Ball
Barcode
4902778142677
Modal No.
UMN155N38.64
Size
11×15.4×141.2mm approx.
Manufacturer
Uni Mitsubishi Pencil
Source From
Japan
Made In
Japan
Tip Size
0.38mm
Ink Color
Blue Black
Compatibility
Uni-ball Signo Knock Gel Pen Refill
Wendy L.Nov 24, 2025
The Team of Kawaii Limited is amazing and I trust the quality of your products
Jessica B.Dec 7, 2022
Arrived safely and matched description. Thanks!
Melissa A. A.Sep 20, 2023
Delivery was amazingly fast to the USA ! I'm so satisfied with my purchase. Everything arrived in great condition . I will continue to shop kawaii limited as long as they are selling my favorite brand , San-x . Thank you so much
Hel F.Nov 20, 2024
Great products delivered promptly. Really good selection available
Christine S.Mar 26, 2026
Love all my stuff!
Tan Z. M.Jul 24, 2024
All items rec8eved in good condition. Well packed in bubble wrap. No issues
Korin C.Jan 13, 2025
Everything was awesome and sooo cute!
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